Name
hi_pb_hp3x4u_f1t3
Label
Hypopnea Index (Supine): (Hypopneas with > 30% flow reduction and >= 4% oxygen desaturation and with or without arousal) / hour of sleep from type III home sleep apnea test
Description

Calculated - Summary metric of sleep disordered breathing events. The definition of hypopnea events is consistent with the following clinical guidelines: (1) AASM 2012 update (recommended) Berry RB et al. 2012 (PubMed ID:23066376), and (2) AASM 2015 (acceptable) [Berry RB et al. The AASM Manual for the Scoring of Sleep and Associated Events: Rules, Terminology and Technical Specifications, Version 2.2. American Academy of Sleep Medicine, Darien, IL, 2015.]

Search for all AHI variables consistent with the same clinical guidelines within this dataset

Units
events per hour
Type
numeric
A4b. Visit of Sleep Study vs Hypopnea Index (Supine): (Hypopneas with > 30% flow reduction and >= 4% oxygen desaturation and with or without arousal) / hour of sleep from type III home sleep apnea test
N Mean StdDev Median Min Max Unknown Total
Visit 1 3,012 0.2 ± 0.9 0.0 0.0 15.6 - 3,012
Visit 3 2,332 0.5 ± 2.0 0.0 0.0 36.0 - 2,332
Race/ethnicity combined categories derived from V1AF05 and V1AF07a-g vs Hypopnea Index (Supine): (Hypopneas with > 30% flow reduction and >= 4% oxygen desaturation and with or without arousal) / hour of sleep from type III home sleep apnea test
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 3,012 0.2 ± 0.9 0.0 0.0 15.6 - 3,012
Non-Hispanic White 1,842 0.2 ± 1.0 0.0 0.0 15.6 - 1,842
Non-Hispanic Black 359 0.3 ± 1.0 0.0 0.0 7.9 - 359
Hispanic 557 0.2 ± 0.7 0.0 0.0 9.3 - 557
Asian 112 0.2 ± 0.9 0.0 0.0 7.9 - 112
Other 142 0.2 ± 0.5 0.0 0.0 3.1 - 142
Race/ethnicity combined categories derived from V1AF05 and V1AF07a-g vs Hypopnea Index (Supine): (Hypopneas with > 30% flow reduction and >= 4% oxygen desaturation and with or without arousal) / hour of sleep from type III home sleep apnea test
Visit 3
N Mean StdDev Median Min Max Unknown Total
Total 2,332 0.5 ± 2.0 0.0 0.0 36.0 - 2,332
Non-Hispanic White 1,494 0.5 ± 2.1 0.0 0.0 36.0 - 1,494
Non-Hispanic Black 247 0.5 ± 1.4 0.0 0.0 11.4 - 247
Hispanic 397 0.4 ± 1.9 0.0 0.0 30.0 - 397
Asian 84 0.6 ± 1.6 0.0 0.0 9.2 - 84
Other 110 0.8 ± 2.8 0.0 0.0 26.7 - 110